Portland Sea Conditions and Tide Table

Portland Sea Conditions table showing wave height, swell direction and period.

High and low tide times are also provided on the table along with the moon phase and forecast weather. Sunrise today is at 05:30 AM and sunset is at 09:00 PM.

	Days 1–3 Weather Summary Mostly dry. Warm air temperatures (max 21°C on Mon afternoon, min 14°C on Fri night). Wind will be generally light.									Days 4–6 Weather Summary Light rain (total 5mm), mostly falling on Wed night. Warm air temperatures (max 24°C on Tue afternoon, min 16°C on Wed night). Wind will be generally light.									Days 7–9 Weather Summary Heavy rain (total 20mm), heaviest during Sun afternoon. Very mild (max 19°C on Sat night, min 14°C on Sun afternoon). Winds decreasing (fresh winds from the WSW on Fri afternoon, light winds from the WSW by Sun morning).									Days 10–12 Weather Summary Moderate rain (total 16mm), heaviest on Sun night. Very mild (max 18°C on Wed afternoon, min 13°C on Sun night). Winds decreasing (near gales from the WSW on Tue afternoon, moderate winds from the WNW by Wed night).
	Saturday 27			Sunday 28			Monday 29			Tuesday 30			Wednesday 31			Thursday 1			Friday 2			Saturday 3			Sunday 4			Monday 5			Tuesday 6			Wed 7
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM
Wave Height Map See all maps
High Tide	11:57AM1.71m		00:12AM1.80m	12:51PM1.55m		1:12AM1.58m	8:37AM0.66m	2:07PM1.43m	8:56PM0.83m	9:14AM0.75m	3:28PM1.39m	9:28PM0.85m	9:54AM0.81m	5:05PM1.41m	9:56PM0.84m	10:32AM0.82m	6:20PM1.56m	6:52AM1.50m	11:07AM0.78m		7:09PM1.75m	7:35AM1.64m		7:48PM1.90m	8:13AM1.74m	1:21PM0.63m	8:23PM2.00m	8:47AM1.80m	2:24PM0.59m	8:55PM2.05m	9:18AM1.82m	3:12PM0.56m	9:23PM2.06m	9:45AM1.81m	4:00PM0.54m
Low Tide		5:06PM0.44m	5:38AM0.36m		5:48PM0.53m	6:20AM0.49m	9:31AM0.64m	6:38PM0.66m	10:15PM0.79m	7:12AM0.64m		7:46PM0.78m	8:21AM0.75m		9:10PM0.83m	9:30AM0.80m		1:32AM0.47m	10:40AM0.78m	1:46PM0.58m	2:21AM0.37m		2:34PM0.55m	3:11AM0.31m	12:23PM0.62m	3:24PM0.53m	3:56AM0.25m	12:56PM0.53m	4:06PM0.50m	1:42AM0.42m		1:33PM0.47m	2:14AM0.37m		2:12PM0.43m
Wave height (m) direction period (s)	WSW 4	SW 3	WSW 4	WSW 4	WSW 7	SE 3	ESE 4	ESE 4	E 4	E 3	ESE 4	ESE 4	ESE 4	E 5	WSW 8	WNW 3	WSW 3	SW 4	SW 5	SW 4	SW 4	SW 4	SW 4	SW 4	SW 7	SW 7	SW 7	SW 8	SW 7	SW 7	SW 7	SW 6	SW 8	SW 8	SW 8

	clear	clear	clear	clear	clear	clear	clear	some clouds	clear	cloudy	cloudy	rain shwrs	clear	clear	rain shwrs	some clouds	clear	clear	clear	some clouds	some clouds	clear	some clouds	light rain	mod rain	mod rain	rain shwrs	some clouds	clear	rain shwrs	some clouds	light rain	rain shwrs	some clouds	some clouds
km/h	W	SW	NNW	ESE	SE	ENE	E	ESE	NNE	NE	E	NE	ENE	WSW	WNW	WNW	WSW	WSW	W	WSW	SW	SW	S	S	WSW	W	WSW	WSW	SW	SW	SW	WSW	W	WNW	WNW
mm	—	—	—	—	—	—	—	—	—	—	—	1.0	—	—	4	—	—	—	—	—	—	—	—	3	8	9	8	—	—	3	—	2.0	3	—	—
max°C	16	18	17	17	18	18	20	21	21	23	24	19	21	21	21	19	18	17	17	18	17	17	18	19	15	15	15	16	16	15	17	17	16	17	18
Moonrise	—	—	11:33	—	—	11:52	—	—	—	12:17	—	—	12:51	—	—	1:38	—	—	2:40	—	—	3:52	—	—	5:08	—	—	6:24	—	—	7:37	—	—	8:48	—
Moonset	1:23	—	—	2:49	—	—	—	4:14	—	—	5:36	—	—	6:48	—	—	7:46	—	—	8:28	—	—	8:57	—	—	—	9:18	—	—	9:34	—	—	9:47	—	9:58
	5:30	—	—	5:31	—	—	5:33	—	—	5:33	—	—	5:35	—	—	5:37	—	—	5:37	—	—	5:39	—	—	5:41	—	—	5:43	—	—	5:43	—	—	5:46	—
	—	—	9:00	—	8:59	—	—	8:58	—	—	8:55	—	—	8:54	—	—	8:52	—	—	8:52	—	—	8:50	—	—	8:47	—	—	8:46	—	—	8:45	—	—	8:43
	Today's sea temperature in Portland is 17.2 °C (Statistics for 27 Jul 1981-2005 – mean: 16.3 max: 17.8 min: 15.2°C)